package com.uxhao.eduservice.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.uxhao.eduservice.entity.EduTeacher;
import com.uxhao.eduservice.mapper.EduTeacherMapper;
import com.uxhao.eduservice.service.EduTeacherService;
import org.springframework.stereotype.Service;

import java.io.Serializable;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * <p>
 * 讲师 服务实现类
 * </p>
 *
 * @author uxhao
 * @since 2022/01/07
 */
@Service
public class EduTeacherServiceImpl extends ServiceImpl<EduTeacherMapper, EduTeacher> implements EduTeacherService {
    @Override
    public boolean removeById(Serializable id) {
        Integer result = baseMapper.deleteById(id);
        return null != result && result > 0;
    }


    @Override
    public Map<String, Object> pageListWeb(Page<EduTeacher> pageParam) {

            QueryWrapper<EduTeacher> queryWrapper = new QueryWrapper<>();
            queryWrapper.orderByDesc("sort");

            baseMapper.selectPage(pageParam, queryWrapper);

            List<EduTeacher> records = pageParam.getRecords();
            long current = pageParam.getCurrent();
            long pages = pageParam.getPages();
            long size = pageParam.getSize();
            long total = pageParam.getTotal();
            boolean hasNext = pageParam.hasNext();
            boolean hasPrevious = pageParam.hasPrevious();

            Map<String, Object> map = new HashMap<String, Object>();
            map.put("items", records);
            map.put("current", current);
            map.put("pages", pages);
            map.put("size", size);
            map.put("total", total);
            map.put("hasNext", hasNext);
            map.put("hasPrevious", hasPrevious);
            return map;
    }
}
